org.geolatte.geom.codec.WkbDecoder.decode()方法的使用及代码示例

x33g5p2x  于2022-02-03 转载在 其他  
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本文整理了Java中org.geolatte.geom.codec.WkbDecoder.decode()方法的一些代码示例，展示了WkbDecoder.decode()的具体用法。这些代码示例主要来源于Github/Stackoverflow/Maven等平台，是从一些精选项目中提取出来的代码，具有较强的参考意义，能在一定程度帮忙到你。WkbDecoder.decode()方法的具体详情如下：
包路径：org.geolatte.geom.codec.WkbDecoder
类名称：WkbDecoder
方法名：decode

WkbDecoder.decode介绍

[英]Decodes a WKB encoded representation of a Geometry
[中]解码Geometry的WKB编码表示形式

代码示例

代码示例来源：origin: hibernate/hibernate-orm

private static Geometry<?> toGeometry(ByteBuffer buffer) {
  if ( buffer == null ) {
    return null;
  }
  WkbDecoder decoder = Wkb.newDecoder( Wkb.Dialect.HANA_EWKB );
  return decoder.decode( buffer );
}

代码示例来源：origin: hibernate/hibernate-orm

private Geometry toGeometry(byte[] bytes) {
  if ( bytes == null ) {
    return null;
  }
  final ByteBuffer buffer = ByteBuffer.from( bytes );
  final WkbDecoder decoder = Wkb.newDecoder( Wkb.Dialect.MYSQL_WKB );
  return decoder.decode( buffer );
}

代码示例来源：origin: hibernate/hibernate-orm

public static Geometry<?> toGeometry(Object object) {
  if ( object == null ) {
    return null;
  }
  ByteBuffer buffer = null;
  if ( object instanceof PGobject ) {
    String pgValue = ( (PGobject) object ).getValue();
    if ( pgValue.startsWith( "00" ) || pgValue.startsWith( "01" ) ) {
      //we have a WKB because this pgValue starts with the bit-order byte
      buffer = ByteBuffer.from( pgValue );
      final WkbDecoder decoder = Wkb.newDecoder( Wkb.Dialect.POSTGIS_EWKB_1 );
      return decoder.decode( buffer );
    }
    else {
      return parseWkt( pgValue );
    }
  }
  throw new IllegalStateException( "Received object of type " + object.getClass().getCanonicalName() );
}

代码示例来源：origin: hibernate/hibernate-orm

return decoder.decode( toByteBuffer( (Blob) object ) );
return decoder.decode( ByteBuffer.from( (byte[]) object ) );

代码示例来源：origin: hibernate/hibernate-orm

@Override
  protected Geometry decode(Object bytes) {
    if ( bytes == null ) {
      return null;
    }
    ByteBuffer buffer = ByteBuffer.from( (byte[]) bytes );
    WkbDecoder decoder = Wkb.newDecoder( Wkb.Dialect.MYSQL_WKB );
    return JTS.to( decoder.decode( buffer ) );
  }
}

代码示例来源：origin: org.geolatte/geolatte-geom

/**
 * Decodes a WKB representation in a <code>ByteBuffer</code> to a <code>Geometry</code>.
 * <p>This methods uses the default WKB dialect (Postgis v1.5 EWKB ).</p>
 *
 * @param byteBuffer A buffer of bytes that contains a WKB-encoded <code>Geometry</code>.
 * @return The <code>Geometry</code> that is encoded in the WKB.
 */
public static Geometry<?> fromWkb(ByteBuffer byteBuffer) {
  WkbDecoder decoder = newDecoder(DEFAULT_DIALECT);
  return decoder.decode(byteBuffer);
}

代码示例来源：origin: com.mysema.querydsl/querydsl-sql

@Override
@Nullable
public Geometry getValue(ResultSet rs, int startIndex) throws SQLException {
  byte[] bytes = rs.getBytes(startIndex);
  if (bytes != null) {
    WkbDecoder decoder = Wkb.newDecoder(Wkb.Dialect.POSTGIS_EWKB_1);
    return decoder.decode(ByteBuffer.from(bytes));
  } else {
    return null;
  }
}

代码示例来源：origin: com.querydsl/querydsl-sql-spatial

@Override
@Nullable
public Geometry getValue(ResultSet rs, int startIndex) throws SQLException {
  byte[] bytes = rs.getBytes(startIndex);
  if (bytes != null) {
    WkbDecoder decoder = Wkb.newDecoder(Wkb.Dialect.POSTGIS_EWKB_1);
    return decoder.decode(ByteBuffer.from(bytes));
  } else {
    return null;
  }
}

代码示例来源：origin: com.querydsl/querydsl-sql-spatial

@Override
@Nullable
public Geometry getValue(ResultSet rs, int startIndex) throws SQLException {
  byte[] bytes = rs.getBytes(startIndex);
  if (bytes != null) {
    byte[] wkb = new byte[bytes.length - 4];
    System.arraycopy(bytes, 4, wkb, 0, wkb.length);
    int srid = bytes[3] << 24 | (bytes[2] & 0xff) << 16 | (bytes[1] & 0xff) << 8 | (bytes[0] & 0xff);
    // TODO make sure srid is set
    WkbDecoder decoder = Wkb.newDecoder(Wkb.Dialect.POSTGIS_EWKB_1);
    return decoder.decode(ByteBuffer.from(wkb));
  } else {
    return null;
  }
}

代码示例来源：origin: com.mysema.querydsl/querydsl-sql

@Override
@Nullable
public Geometry getValue(ResultSet rs, int startIndex) throws SQLException {
  byte[] bytes = rs.getBytes(startIndex);
  if (bytes != null) {
    byte[] wkb = new byte[bytes.length - 4];
    System.arraycopy(bytes, 4, wkb, 0, wkb.length);
    int srid = bytes[3] << 24 | (bytes[2] & 0xff) << 16 | (bytes[1] & 0xff) << 8 | (bytes[0] & 0xff);
    // TODO make sure srid is set
    WkbDecoder decoder = Wkb.newDecoder(Wkb.Dialect.POSTGIS_EWKB_1);
    return decoder.decode(ByteBuffer.from(wkb));
  } else {
    return null;
  }
}

代码示例来源：origin: com.sqlapp/sqlapp-core-h2

@Override
public Object getObject(ResultSet rs, int columnIndex)
    throws SQLException {
  byte[] bytes=rs.getBytes(columnIndex);
  WkbDecoder decoder = Wkb.newDecoder(Wkb.Dialect.POSTGIS_EWKB_1);
  return decoder.decode(ByteBuffer.from(bytes));
}

代码示例来源：origin: com.sqlapp/sqlapp-core-h2

@Override
public Object getObject(ResultSet rs, String columnLabel)
    throws SQLException {
  byte[] bytes=rs.getBytes(columnLabel);
  WkbDecoder decoder = Wkb.newDecoder(Wkb.Dialect.POSTGIS_EWKB_1);
  return decoder.decode(ByteBuffer.from(bytes));
}

代码示例来源：origin: com.querydsl/querydsl-sql-spatial

@Override
@Nullable
public Geometry getValue(ResultSet rs, int startIndex) throws SQLException {
  byte[] bytes = rs.getBytes(startIndex);
  if (bytes != null) {
    byte[] wkb;
    if (bytes[0] != 0 && bytes[0] != 1) { // decodes EWKB
      wkb = new byte[bytes.length - 32];
      System.arraycopy(bytes, 32, wkb, 0, wkb.length);
    } else {
      wkb = bytes;
    }
    WkbDecoder decoder = Wkb.newDecoder(Wkb.Dialect.POSTGIS_EWKB_1);
    return decoder.decode(ByteBuffer.from(wkb));
  } else {
    return null;
  }
}

代码示例来源：origin: com.mysema.querydsl/querydsl-sql

@Override
@Nullable
public Geometry getValue(ResultSet rs, int startIndex) throws SQLException {
  byte[] bytes = rs.getBytes(startIndex);
  if (bytes != null) {
    byte[] wkb;
    if (bytes[0] != 0 && bytes[0] != 1) { // decodes EWKB
      wkb = new byte[bytes.length - 32];
      System.arraycopy(bytes, 32, wkb, 0, wkb.length);
    } else {
      wkb = bytes;
    }
    WkbDecoder decoder = Wkb.newDecoder(Wkb.Dialect.POSTGIS_EWKB_1);
    return decoder.decode(ByteBuffer.from(wkb));
  } else {
    return null;
  }
}

代码示例来源：origin: com.sqlapp/sqlapp-core-mysql

private Object toGeometry(byte[] bytes){
  ByteBuffer buffer = ByteBuffer.from(bytes);
  WkbDecoder decoder = Wkb.newDecoder(Wkb.Dialect.MYSQL_WKB);
  return decoder.decode(buffer);
}

代码示例来源：origin: com.sqlapp/sqlapp-core-postgres

private Object convertInternal(Object obj){
  if (obj instanceof PGobject){
     String pgValue = ((PGobject)obj).getValue();
     if (pgValue.charAt(0) == 'S') {
       WktDecoder decoder = Wkt.newDecoder(Wkt.Dialect.POSTGIS_EWKT_1);
       return decoder.decode(pgValue);
     }
     ByteBuffer buffer = ByteBuffer.from(pgValue);
     WkbDecoder decoder = Wkb.newDecoder(Wkb.Dialect.POSTGIS_EWKB_1);
     return decoder.decode(buffer);
  }
  byte[] bytes=Converters.getDefault().convertObject(obj, byte[].class);
  WkbDecoder decoder = Wkb.newDecoder(Wkb.Dialect.POSTGIS_EWKB_1);
  return decoder.decode(ByteBuffer.from(bytes));
}

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